Bag



FIG. 1 is a perspective view of a bag showing my new design;

FIG. 2 is a top plan view thereof, the opposite side being a mirror image;

FIG. 3 is a top plan view of the bag shown in a partialy unfolded position, the opposite side being a mirror image;

FIG. 4 is a side view shown in an unfolded position, the opposite side being a mirror image; and,

FIG. 5 is a front view shown in an unfolded position, the opposite side being a mirror image. 

The ornamental design for a bag, as shown and described. 